Subtract 98/63 from 10/20
1st number: 10/20, 2nd number: 1 35/63
10/20 - 98/63 is -19/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
10/20 = 10 × 63/20 × 63 = 630/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
98/63 = 98 × 20/63 × 20 = 1960/1260 - Subtract the two like fractions:
630/1260 - 1960/1260 = 630 - 1960/1260 = -1330/1260 - After reducing the fraction, the answer is -19/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40-98/63 30/20-98/63 10/60-98/63 50/20-98/63 70/20-98/63